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发明名称
摘要
申请公布号
JPS5330262(U)
申请公布日期
1978.03.15
申请号
JP19760112398U
申请日期
1976.08.21
申请人
发明人
分类号
E02B7/20;B01D21/24;B01D21/30;G01F1/00;(IPC1-7):C02C1/18;C02C1/06
主分类号
E02B7/20
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代理人
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地址
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